secondbrain.is - dns.ninja

`secondbrain.is`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ad53^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:583f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.63^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.83^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hazel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hazel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hazel.ns.cloudflare.com`
		A	108.162.194.157^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	162.159.38.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	172.64.34.157^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
NS	`maxim.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maxim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maxim.ns.cloudflare.com`
		A	108.162.195.198^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	162.159.44.198^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	172.64.35.198^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`google-site-verification=jGUOId7sh1LY4qs63tQEoM2ENbKGHniKgvZmLqzRKp0`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.63, 172.67.173.83
		IPv6 hints	2606:4700:3030::ac43:ad53, 2606:4700:3034::6815:583f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`hazel.ns.cloudflare.com`dns@cloudflare.com serial=2406415759

`is`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.is` ⭐
	NS	`c.nic.is`
	NS	`d.nic.is`
	NS	`e.nic.is`
	NS	`f.nic.is`
	SOA	`a.nic.is`hostmaster@isnic.is serial=1781098202

📈 Tranco rank: #132,790

PTR for

200.120.103.146.in-addr.arpa

Subdomains

optimize.secondbrain.is

Same first word

secondbrain.org

secondbrain.io

secondbrain.is

secondbrain.net

secondbrain.us

secondbrain.me

secondbrain.my.id

secondbrain.de

secondbrain.co.kr

secondbrain.eu

secondbrain.com

secondbrain.biz

secondbrain.co.uk

secondbrain.jp

secondbrain.co.jp

secondbrain.ai

secondbrain.it

Similar names

casinobrend.com

iconebrands.com

dbernasconi.com

bancodiners.com

briceandson.com

DNS History

14 records (11 active, 3 former)

○NSdns1.registrar-servers.com2026-03-31 → 2026-05-18 · 4 obs

● 2026-03-31 09:55:08
● 2026-05-18 03:21:56
○ 2026-05-28 13:32:44
○ 2026-06-10 14:00:50

○NSdns2.registrar-servers.com2026-03-31 → 2026-05-18 · 4 obs

● 2026-03-31 09:55:08
● 2026-05-18 03:21:56
○ 2026-05-28 13:32:44
○ 2026-06-10 14:00:50

●NShazel.ns.cloudflare.com2026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

●NSmaxim.ns.cloudflare.com2026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

●MXeforward1.registrar-servers.com2026-03-31 → 2026-06-10 · 2 obs

● 2026-03-31 09:55:08
● 2026-06-10 14:00:50

●MXeforward2.registrar-servers.com2026-03-31 → 2026-06-10 · 2 obs

● 2026-03-31 09:55:08
● 2026-06-10 14:00:50

●MXeforward3.registrar-servers.com2026-03-31 → 2026-06-10 · 2 obs

● 2026-03-31 09:55:08
● 2026-06-10 14:00:50

●MXeforward4.registrar-servers.com2026-03-31 → 2026-06-10 · 2 obs

● 2026-03-31 09:55:08
● 2026-06-10 14:00:50

●MXeforward5.registrar-servers.com2026-03-31 → 2026-06-10 · 2 obs

● 2026-03-31 09:55:08
● 2026-06-10 14:00:50

●A104.21.88.632026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

○A146.103.120.2002026-03-31 → 2026-05-18 · 4 obs

● 2026-03-31 09:55:08
● 2026-05-18 03:21:56
○ 2026-05-28 13:32:44
○ 2026-06-10 14:00:50

●A172.67.173.832026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

●A2606:4700:3030::ac43:ad532026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

●A2606:4700:3034::6815:583f2026-05-28 → 2026-06-10 · 3 obs

○ 2026-05-18 03:21:56
● 2026-05-28 13:32:44
● 2026-06-10 14:00:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
is	f.nic.is, e.nic.is, a.nic.is, c.nic.is...	10 records
secondbrain.is	hazel.ns.cloudflare.com, maxim.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.157

NS records: hazel.ns.cloudflare.com, maxim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for secondbrain.is (unsigned zone)

⏱️ Timing

Total: 919ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.63, 172.67.173.83`
AAAA	2	`2606:4700:3034::6815:583f, 2606:4700:3030::ac43:ad53`
NS	2	`hazel.ns.cloudflare.com, maxim.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`google-site-verification=jGUOId7sh1LY4qs, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hazel.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a.nic.is, c.nic.is, d.nic.is...)

Analysis

Hierarchy

secondbrain.is serves as the parent of optimize.secondbrain.is.

IP Addresses

secondbrain.is maps to 4 IP numbers, specifically 104.21.88.63, 172.67.173.83, 2606:4700:3030::ac43:ad53 and 2606:4700:3034::6815:583f.

Two other host names, along with www.3r1kwxcd.top, hss.menu and alebilet.pl-oferta8737291.com, also share IP numbers with secondbrain.is.

Name Servers

DNS delegation for secondbrain.is points to two name servers: hazel.ns.cloudflare.com and maxim.ns.cloudflare.com.

secondbrain.is shares its NS records with other domains, for example lfijpcc.boutique, yordan.io, fratelliascione.it and two others.

secondbrain.is has at least partial name server overlap with other domains, such as nonprofitctr.org, trchealthcare.com, menwa.cn and two others.

These name servers tend to appear together with the name servers dakota.ns.cloudflare.com, rodrigo.ns.cloudflare.com and tony.ns.cloudflare.com.

DNS names with 6 IP addresses:

hazel.ns.cloudflare.com has IP addresses 108.162.194.157, 162.159.38.157, 172.64.34.157 plus three more.

maxim.ns.cloudflare.com has IP addresses 108.162.195.198, 162.159.44.198, 172.64.35.198 plus three more.

Mail Servers

The MX records for secondbrain.is point to 5 mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

There is at least a partial MX overlap between secondbrain.is and other domains, including vikrantbet.com, czlhcy.com, narutojoin.com and two others.

eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are mail servers that frequently appear together with these mail servers.

Host names with one IP number:

eforward1.registrar-servers.com directs to 162.255.118.51.

eforward2.registrar-servers.com directs to 162.255.118.52.

eforward3.registrar-servers.com directs to 162.255.118.51.

eforward4.registrar-servers.com directs to 162.255.118.52.

eforward5.registrar-servers.com directs to 162.255.118.51.

Each of eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com resolves to 162.255.118.51.

Host names pointing to 162.255.118.52 IP addresses: eforward2.registrar-servers.com and eforward4.registrar-servers.com.